Home / 7,656.24-11,487.60-2,979.51

Finding the Fourth Proportional to 7,656.24, 11,487.60 and 2,979.51

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Solution

The fourth proportional to 7,656.24, 11,487.60 and 2,979.51 is: 4,470.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,656.24 : 11,487.60 = 2,979.51 : x
  2. Step 2: Convert to fraction form
    7,656.24/11,487.60 = 2,979.51/x
  3. Step 3: Cross multiply
    7,656.24x = 11,487.60 × 2,979.51
  4. Step 4: Simplify right side
    7,656.24x = 34,227,419.08
  5. Step 5: Solve for x
    x = 34,227,419.08/7,656.24
  6. Step 6: Final answer
    x = 4,470.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.